Amoebas are small to be seen without a microscope.

试卷相关题目

• 1are fed into a tape-recorder, they magnetize theparticles on the tape in varying patterns.

  A.When electric waves

  B.Electric waves

  C.Electric waves that

  D.Because of electric waves

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• 2__ the silkworm produces a fluid internally and thenforces it out through tiny holes in its body.

  A.It makes silk and

  B.Having made silk

  C.Silk is made by

  D.To make silk

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• 3It was Smith who called while I was out.

  A.no other but

  B.no other than

  C.no one than

  D.none other than

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• 4The village is only __ by river.

  A.attainable

  B.available

  C.accessible

  D.obtainable

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• 5The forecast for this evening is wind and rain, theoutlook for tomorrow is fine and sunny.

  A.out of hand

  B.on every hand

  C.on the other hand

  D.on all hands

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• 6The nectarine is a fruit __ like a peach.

  A.as

  B.much

  C.and

  D.to

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• 7__ kinds of dinosaurs were dying out all through theAge of Reptiles is true.

  A.Some

  B.Some were

  C.When some

  D.That some

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• 8_________to blame for the many troubles you haveencountered.

  A.It is notIwhoam

  B.It is notIthatis

  C.It is not me who am

  D.It is not me that is

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• 9He noticed the helicopter hovering over the field. Thento his astonishment, he saw a rope ladder_________outand three men climbing down it.

  A.throwing

  B.being thrown

  C.having thrown

  D.having been thrown

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• 10The physicist has made a discovery,____of greatimportance to the progress of sci-ence and technology.

  A.I think which is

  B.that I think is

  C.which I think is

  D.which I think it is

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